Ageologist wants to locate a horizontal coal bed on a soil-covered slope where soil creep is active. a distinctive sandstone bed underlies the coal bed. on the basis of weathered sandstone fragments in the soil, where is the coal bed?

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?

Most short-period comets do not have randomly oriented orbits because

You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.